Martin MA240 Authentic Acoustic Superior Performance 80/20 Bronze Guitar Strings - Bluegrass 12-56 3-channel The round bottom end is

The round bottom end is great when you need big bass without boominess - like a cajon or cello - while the top end is exceptionally articulate for a dynamic mic to keep transients from getting lost in a mix

the Voyager transforms into a thick overdrive

You can easily create your own kits and choose from the various high-quality sounds

The PRSM helps suppress low-frequency rumble by absorbing and damping vibrations

full sounding Jazz humbucker with lots of top end clarity

Martin MA240 Authentic Acoustic Superior Performance 80/20 Bronze Guitar Strings - Bluegrass 12-56 3-channel The round bottom end isMartin Authentic Acoustic Superior Performance SP strings feature higher tensile strength and tin plated core wire on all six strings that enable a fuller and more balanced tone, quicker response and increased tuning stability. Our impeccable standards for acoustic guitar tone are embedded in our string design and precision manufacturing process. That's why we make our own.